Home / 13,604,521.34-18,774,239.45-7,492,949.84

Finding the Fourth Proportional to 13,604,521.34, 18,774,239.45 and 7,492,949.84

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Solution

The fourth proportional to 13,604,521.34, 18,774,239.45 and 7,492,949.84 is: 10,340,270.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604,521.34 : 18,774,239.45 = 7,492,949.84 : x
  2. Step 2: Convert to fraction form
    13,604,521.34/18,774,239.45 = 7,492,949.84/x
  3. Step 3: Cross multiply
    13,604,521.34x = 18,774,239.45 × 7,492,949.84
  4. Step 4: Simplify right side
    13,604,521.34x = 140,674,434,351,663.25
  5. Step 5: Solve for x
    x = 140,674,434,351,663.25/13,604,521.34
  6. Step 6: Final answer
    x = 10,340,270.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.